3R. T. Cross,A. Pitekethly.Speed, education and children as pedestrians: a cognitive change approach to a potentially dangerous naive concept[J]. International Journal of Science Education . 1988 (5)
4Hsiang-WuHuang,Hui-TingChang.A Study ofChineseStudent’’sConceptualDevelopm entonMotion. Internation-alConferencePhysicsTeacherEducation beyond2000PHYTEB . 2000